The capital, El Obeid (q.v.), is centrally situated.
This coupling gear is placed centrally between a pair of buffers; formerly these were often left " dead " - that is, consisted of solid prolongations of the frame of the vehicle, but now they are made to work against springs which take up the shocks that occur when the wagons are thrown violently .against one another in shunting.
Still, in addition to family ties, the Reynolds farmhouse was centrally located and large enough to accommodate all the guests.
Taking the Atlantic as our simplest type, we may say that the surface of an ocean basin resembles that of a mighty trough or syncline, buckled up more or less centrally in a medial ridge, which is bounded by two long and deep marginal hollows, in the cores of which still deeper grooves sink to the profoundest depths.
It consists in sinking a bore-hole, after the manner of a petroleum well, and letting in four pipes centrally arranged, the outer pipe being 10 in.